1、。計算機軟件著作權登記 - 源代碼范本注意事項：常見的源代碼包含：C語言， VB,C+,JAVA,.NET等。提交的代碼必須是源代碼的開頭載入程序，第30 頁必須斷開，第60 頁是軟件的程序結尾，代碼中不得出現與申請表內容不符合的日期，著作權人，軟件名字等，不能出現開源代碼，不能出現任何版權糾紛。格式要求 ：一、源代碼應提交前、后各連續30 頁，不足 60 頁的，應當全部提交。二、源代碼頁眉應標注軟件的名稱和版本號，應當與申請表中名稱完全一致，頁眉右上應標注頁碼，源代碼每頁不少于 50 行。范例如下：#include <tybs/commandline.h>#include <

2、;tybs/dir.h>#include <tybs/entropy.h>#include <tybs/file.h>#include <tybs/hash.h>#include <tybs/os.h>#include <tybs/platform.h>#include <tybs/resource.h>#include <tybs/stdio.h>。1。#include <tybs/string.h>#include <tybs/task.h>#include <tybs/

3、timer.h>#include <tybs/util.h>#include <tybscc/result.h>#include <dns/dispatch.h>#include <dns/name.h>#include <dns/result.h>#include <dns/view.h>#include <dst/result.h>#define NS_MAIN 1#include <named/ns_smf_globals.h>#endif#ifdef DLZ#include <d

4、lz/dlz_drivers.h>#endifstatic tybs_boolean_twant_stats = TYBS_FALSE;static charprogram_nameTYBS_DIR_NAMEMAX = "named"static charabsolute_conffileTYBS_DIR_PATHMAX;static charsaved_command_line512;static charversion512;static unsigned int maxsocks = 0;voidns_main_earlywarning(const char *

5、format, .) va_list args;va_start(args, format);if (ns_g_lctx != NULL) tybs_log_vwrite(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN, TYBS_LOG_WARNING, format, args); else fprintf(stderr, "%s: ", program_name);vfprintf(stderr, format, args);fprintf(stderr, "n");fflush(stder

6、r);va_end(args);Void ns_main_earlyfatal(const char *format, .) va_list args;va_start(args, format);if (ns_g_lctx != NULL) tybs_log_vwrite(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN, TYBS_LOG_CRITICAL, format, args);tybs_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,NS_LOGMODULE_MAIN, TYBS_LO

7、G_CRITICAL,"exiting (due to early fatal error)"); else fprintf(stderr, "%s: ", program_name);。2。vfprintf(stderr, format, args);fprintf(stderr, "n");fflush(stderr);va_end(args);exit(1);static voidassertion_failed(const char *file, int line, tybs_assertiontype_t type, con

8、st char *cond)if (ns_g_lctx != NULL) tybs_assertion_setcallback(NULL);tybs_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,NS_LOGMODULE_MAIN, TYBS_LOG_CRITICAL,"%s:%d: %s(%s) failed", file, line,tybs_assertion_typetotext(type), cond);tybs_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,NS_LOGMODUL

9、E_MAIN, TYBS_LOG_CRITICAL,"exiting (due to assertion failure)"); else fprintf(stderr, "%s:%d: %s(%s) failedn",file, line, tybs_assertion_typetotext(type), cond);fflush(stderr);if (ns_g_coreok)abort();exit(1);static voidlibrary_fatal_error(const char *file, int line, const char *f

10、ormat, va_list args) TYBS_FORMAT_PRINTF(3, 0);static voidlibrary_fatal_error(const char *file, int line, const char *format, va_list args)if (ns_g_lctx != NULL) tybs_error_setfatal(NULL);tybs_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,NS_LOGMODULE_MAIN, TYBS_LOG_CRITICAL,"%s:%d: fatal error:&q

11、uot;, file, line);tybs_log_vwrite(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN, TYBS_LOG_CRITICAL, format, args);tybs_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,NS_LOGMODULE_MAIN, TYBS_LOG_CRITICAL,"exiting (due to fatal error in library)"); else fprintf(stderr, "%s:%d: fatal

12、 error: ", file, line);vfprintf(stderr, format, args);。3。fprintf(stderr, "n");fflush(stderr);if (ns_g_coreok)abort();exit(1);static voidlibrary_unexpected_error(const char *file, int line, const char *format, va_list args) TYBS_FORMAT_PRINTF(3, 0);static voidlibrary_unexpected_error(c

13、onst char *file, int line, const char *format, va_list args)if (ns_g_lctx != NULL) tybs_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,NS_LOGMODULE_MAIN, TYBS_LOG_ERROR,"%s:%d: unexpected error:", file, line);tybs_log_vwrite(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN, TYBS_LOG_ERROR

14、, format, args); else fprintf(stderr, "%s:%d: fatal error: ", file, line);vfprintf(stderr, format, args);fprintf(stderr, "n");fflush(stderr);static voidlwresd_usage(void) fprintf(stderr,"usage: lwresd -4|-6 -c conffile | -C resolvconffile ""-d debugleveln"&quo

15、t;-f|-g -n number_of_cpus -p port ""-P listen-port -sn"" -t chrootdir -u username -i pidfilen"" -m usage|trace|record|size|mctxn");static voidusage(void) if (ns_g_lwresdonly) lwresd_usage();return;fprintf(stderr,"usage: named -4|-6 -c conffile -d debuglevel &q

16、uot;"-f|-g -n number_of_cpusn"" -p port -s -t chrootdir -u usernamen"" -m usage|trace|record|size|mctxn");。4。static voidsave_command_line(int argc, char *argv) int i;char *src;char *dst;char *eob;const char truncated = "."tybs_boolean_t quoted = TYBS_FALSE;dst

17、 = saved_command_line;eob = saved_command_line + sizeof(saved_command_line);for (i = 1; i < argc && dst < eob; i+) *dst+ = ' 'src = argvi;while (*src != '0' && dst < eob) if (quoted | isalnum(*src & 0xff) |*src = '-' | *src = '_' |*src = &

18、#39;.' | *src = '/') *dst+ = *src+;quoted = TYBS_FALSE; else *dst+ = ''quoted = TYBS_TRUE;INSIST(sizeof(saved_command_line) >= sizeof(truncated);if (dst = eob)strcpy(eob - sizeof(truncated), truncated);else*dst = '0'static intparse_int(char *arg, const char *desc) char

19、 *endp;int tmp;long int ltmp;ltmp = strtol(arg, &endp, 10);tmp = (int) ltmp;if (*endp != '0')ns_main_earlyfatal("%s '%s' must be numeric", desc, arg); if (tmp < 0 | tmp != ltmp)ns_main_earlyfatal("%s '%s' out of range", desc, arg);return (tmp);stati

20、c struct flag_def const char *name;unsigned int value; mem_debug_flags = "trace", TYBS_MEM_DEBUGTRACE , "record", TYBS_MEM_DEBUGRECORD ,。5。 "usage", TYBS_MEM_DEBUGUSAGE , "size", TYBS_MEM_DEBUGSIZE , "mctx", TYBS_MEM_DEBUGCTX , NULL, 0 ;static voidse

21、t_flags(const char *arg, struct flag_def *defs, unsigned int *ret) for (;) const struct flag_def *def;const char *end = strchr(arg, ',');int arglen;if (end = NULL)end = arg + strlen(arg);arglen = end - arg;for (def = defs; def->name != NULL; def+) if (arglen = (int)strlen(def->name) &a

22、mp;&memcmp(arg, def->name, arglen) = 0) *ret |= def->value;goto found;ns_main_earlyfatal("unrecognized flag '%.*s'", arglen, arg); found:if (*end = '0')break;arg = end + 1;static voidparse_command_line(int argc, char *argv) int ch;int port;tybs_boolean_t disable6

23、= TYBS_FALSE;tybs_boolean_t disable4 = TYBS_FALSE;save_command_line(argc, argv);tybs_commandline_errprint = TYBS_FALSE;while (ch = tybs_commandline_parse(argc, argv,"46c:C:d:fgi:lm:n:N:p:P:""sS:t:T:u:vVx:") != -1) switch (ch) case '4':if (disable4)ns_main_earlyfatal("

24、;cannot specify -4 and -6");if (tybs_net_probeipv4() != TYBS_R_SUCCESS)ns_main_earlyfatal("IPv4 not supported by OS");tybs_net_disableipv6();disable6 = TYBS_TRUE;break;case '6':if (disable6)。6。ns_main_earlyfatal("cannot specify -4 and -6");if (tybs_net_probeipv6() !=

25、 TYBS_R_SUCCESS)ns_main_earlyfatal("IPv6 not supported by OS");tybs_net_disableipv4();disable4 = TYBS_TRUE;break;case 'c':ns_g_conffile = tybs_commandline_argument;lwresd_g_conffile = tybs_commandline_argument;if (lwresd_g_useresolvconf)ns_main_earlyfatal("cannot specify -c an

26、d -C");ns_g_conffileset = TYBS_TRUE;break;case 'C':lwresd_g_resolvconffile = tybs_commandline_argument;if (ns_g_conffileset)ns_main_earlyfatal("cannot specify -c and -C");lwresd_g_useresolvconf = TYBS_TRUE;break;case 'd':ns_g_debuglevel = parse_int(tybs_commandline_arg

27、ument,"debug level");break;case 'f':ns_g_foreground = TYBS_TRUE;break;case 'g':ns_g_foreground = TYBS_TRUE;ns_g_logstderr = TYBS_TRUE;break;/* XXXBEW -i should be removed */case 'i':lwresd_g_defaultpidfile = tybs_commandline_argument;break;case 'l':ns_g_lwre

28、sdonly = TYBS_TRUE;break;case 'm':set_flags(tybs_commandline_argument, mem_debug_flags,&tybs_mem_debugging);break;case 'N': /* Deprecated. */case 'n':ns_g_cpus = parse_int(tybs_commandline_argument,"number of cpus");if (ns_g_cpus = 0)ns_g_cpus = 1;break;case 

29、9;p':port = parse_int(tybs_commandline_argument, "port");。7。if (port < 1 | port > 65535)ns_main_earlyfatal("port '%s' out of range",tybs_commandline_argument);ns_g_port = port;break;/* XXXBEW Should -P be removed? */case 'P':port = parse_int(tybs_command

30、line_argument, "port");if (port < 1 | port > 65535)ns_main_earlyfatal("port '%s' out of range",tybs_commandline_argument);lwresd_g_listenport = port;break;case 's':want_stats = TYBS_TRUE;break;case 'S':maxsocks = parse_int(tybs_commandline_argument,&

31、quot;max number of sockets");break;case 't':ns_g_chrootdir = tybs_commandline_argument;break;case 'T':if (strcmp(tybs_commandline_argument, "clienttest") = 0)ns_g_clienttest = TYBS_TRUE;elsefprintf(stderr, "unknown -T flag '%sn",tybs_commandline_argument)

32、;break;case 'u':ns_g_username = tybs_commandline_argument;break;case 'v':printf("BIND %sn", ns_g_version);exit(0);case 'V':printf("BIND %s built with %sn", ns_g_version,ns_g_configargs);exit(0);case '?':usage();if (tybs_commandline_option = '?&

33、#39;)exit(0);ns_main_earlyfatal("unknown option '-%c'",tybs_commandline_option);default:ns_main_earlyfatal("parsing options returned %d", ch);。8。argc -= tybs_commandline_index;argv += tybs_commandline_index;if (argc > 0) usage();ns_main_earlyfatal("extra command l

34、ine arguments");static tybs_result_tcreate_managers(void) tybs_result_t result;unsigned int socks;#ifdef TYBS_PLATFORM_USETHREADSunsigned int cpus_detected;#endif#ifdef TYBS_PLATFORM_USETHREADScpus_detected = tybs_os_ncpus();if (ns_g_cpus = 0)ns_g_cpus = cpus_detected;tybs_log_write(ns_g_lctx,

35、NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, TYBS_LOG_INFO, "found %u CPU%s, using %u worker thread%s", cpus_detected, cpus_detected = 1 ? "" : "s",ns_g_cpus, ns_g_cpus = 1 ? "" : "s");#elsens_g_cpus = 1;#endifresult = tybs_taskmgr_create(ns_g_mctx,

36、ns_g_cpus, 0, &ns_g_taskmgr); if (result != TYBS_R_SUCCESS) UNEXPECTED_ERROR(_FILE_, _LINE_,"tybs_taskmgr_create() failed: %s",tybs_result_totext(result);return (TYBS_R_UNEXPECTED);result = tybs_timermgr_create(ns_g_mctx, &ns_g_timermgr);if (result != TYBS_R_SUCCESS) UNEXPECTED_ERR

37、OR(_FILE_, _LINE_,"tybs_timermgr_create() failed: %s",tybs_result_totext(result);return (TYBS_R_UNEXPECTED);result = tybs_socketmgr_create2(ns_g_mctx, &ns_g_socketmgr, maxsocks); if (result != TYBS_R_SUCCESS) UNEXPECTED_ERROR(_FILE_, _LINE_,"tybs_socketmgr_create() failed: %s"

38、;,tybs_result_totext(result);return (TYBS_R_UNEXPECTED);result = tybs_socketmgr_getmaxsockets(ns_g_socketmgr, &socks); if (result = TYBS_R_SUCCESS) tybs_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,NS_LOGMODULE_SERVER,。9。TYBS_LOG_INFO, "using up to %u sockets", socks);result = tybs_entr

39、opy_create(ns_g_mctx, &ns_g_entropy);if (result != TYBS_R_SUCCESS) UNEXPECTED_ERROR(_FILE_, _LINE_,"tybs_entropy_create() failed: %s",tybs_result_totext(result);return (TYBS_R_UNEXPECTED);result = tybs_hash_create(ns_g_mctx, ns_g_entropy, DNS_NAME_MAXWIRE); if (result != TYBS_R_SUCCESS

40、) UNEXPECTED_ERROR(_FILE_, _LINE_,"tybs_hash_create() failed: %s",tybs_result_totext(result);return (TYBS_R_UNEXPECTED);return (TYBS_R_SUCCESS);static voiddestroy_managers(void) ns_lwresd_shutdown();tybs_entropy_detach(&ns_g_entropy);if (ns_g_fallbackentropy != NULL)tybs_entropy_detach

41、(&ns_g_fallbackentropy);tybs_taskmgr_destroy(&ns_g_taskmgr);tybs_timermgr_destroy(&ns_g_timermgr);tybs_socketmgr_destroy(&ns_g_socketmgr);tybs_hash_destroy();static voidsetup(void) tybs_result_t result;#ifdef HAVE_LIBSCFchar *instance = NULL;#endifns_os_inituserinfo(ns_g_username);ns

42、_os_tzset();ns_os_opendevnull();#ifdef HAVE_LIBSCFresult = ns_smf_get_instance(&instance, 0, ns_g_mctx);if (result = TYBS_R_SUCCESS)ns_smf_got_instance = 1;elsens_smf_got_instance = 0;if (instance != NULL)tybs_mem_free(ns_g_mctx, instance);#endif /* HAVE_LIBSCF */#ifdef PATH_RANDOMDEVif (ns_g_ch

43、rootdir != NULL) result = tybs_entropy_create(ns_g_mctx, &ns_g_fallbackentropy);。10。if (result != TYBS_R_SUCCESS)ns_main_earlyfatal("tybs_entropy_create() failed: %s",tybs_result_totext(result);result = tybs_entropy_createfilesource(ns_g_fallbackentropy,PATH_RANDOMDEV);if (result != TY

44、BS_R_SUCCESS) ns_main_earlywarning("could not open pre-chroot ""entropy source %s: %s",PATH_RANDOMDEV,tybs_result_totext(result);tybs_entropy_detach(&ns_g_fallbackentropy);#endifns_os_chroot(ns_g_chrootdir);ns_os_minprivs();result = ns_log_init(TYBS_TF(ns_g_username != NULL);

45、if (result != TYBS_R_SUCCESS)ns_main_earlyfatal("ns_log_init() failed: %s",tybs_result_totext(result);if (!ns_g_foreground)ns_os_daemonize();result = tybs_app_start();if (result != TYBS_R_SUCCESS)ns_main_earlyfatal("tybs_app_start() failed: %s",tybs_result_totext(result);tybs_log

46、_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN, TYBS_LOG_NOTICE, "starting BIND %s%s", ns_g_version, saved_command_line);tybs_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN, TYBS_LOG_NOTICE, "built with %s", ns_g_configargs);(void)tybs_resource_getlim

47、it(tybs_resource_stacksize,&ns_g_initstacksize);(void)tybs_resource_getlimit(tybs_resource_datasize,&ns_g_initdatasize);(void)tybs_resource_getlimit(tybs_resource_coresize,&ns_g_initcoresize);(void)tybs_resource_getlimit(tybs_resource_openfiles,&ns_g_initopenfiles);if (! tybs_file_is

48、absolute(ns_g_conffile) result = tybs_file_absolutepath(ns_g_conffile,absolute_conffile,sizeof(absolute_conffile);if (result != TYBS_R_SUCCESS)ns_main_earlyfatal("could not construct absolute path of ""configuration file: %s",tybs_result_totext(result);ns_g_conffile = absolute_co

49、nffile;result = tybs_time_now(&ns_g_boottime);。11。if (result != TYBS_R_SUCCESS)ns_main_earlyfatal("tybs_time_now() failed: %s",tybs_result_totext(result);result = create_managers();if (result != TYBS_R_SUCCESS)ns_main_earlyfatal("create_managers() failed: %s",tybs_result_tote

50、xt(result);ns_builtin_init();#ifdef DLZresult = dlz_drivers_init();if (result != TYBS_R_SUCCESS)ns_main_earlyfatal("dlz_drivers_init() failed: %s",tybs_result_totext(result);#endifns_server_create(ns_g_mctx, &ns_g_server);static voidcleanup(void) destroy_managers();ns_server_destroy(&a

51、mp;ns_g_server);ns_builtin_deinit();#ifdef DLZdlz_drivers_clear();#endifdns_name_destroy();tybs_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN, TYBS_LOG_NOTICE, "exiting");ns_log_shutdown();static char *memstats = NULL;voidns_main_setmemstats(const char *filename) if (memst

52、ats != NULL) free(memstats);memstats = NULL;if (filename = NULL)return;memstats = malloc(strlen(filename) + 1);if (memstats)strcpy(memstats, filename);#ifdef HAVE_LIBSCFtybs_result_tns_smf_get_instance(char *ins_name, int debug, tybs_mem_t *mctx) scf_handle_t *h = NULL;int namelen;char *instance;REQ

53、UIRE(ins_name != NULL && *ins_name = NULL);if (h = scf_handle_create(SCF_VERSION) = NULL) 。12。if (debug)UNEXPECTED_ERROR(_FILE_, _LINE_,"scf_handle_create() failed: %s",scf_strerror(scf_error();return (TYBS_R_FAILURE);if (scf_handle_bind(h) = -1) if (debug)UNEXPECTED_ERROR(_FILE_,

54、_LINE_,"scf_handle_bind() failed: %s",scf_strerror(scf_error();scf_handle_destroy(h);return (TYBS_R_FAILURE);if (namelen = scf_myname(h, NULL, 0) = -1) if (debug)UNEXPECTED_ERROR(_FILE_, _LINE_,"scf_myname() failed: %s",scf_strerror(scf_error();scf_handle_destroy(h);return (TYBS_

55、R_FAILURE);if (instance = tybs_mem_allocate(mctx, namelen + 1) = NULL) UNEXPECTED_ERROR(_FILE_, _LINE_,"ns_smf_get_instance memory ""allocation failed: %s",tybs_result_totext(TYBS_R_NOMEMORY);scf_handle_destroy(h);return (TYBS_R_FAILURE);if (scf_myname(h, instance, namelen + 1) = -1) if (debug)UNEXPECTED_ERROR(_FILE_, _LINE_,"scf_myname() failed: %s",scf_strerror(scf_error();scf_han